Finding the Fourth Proportional to 18,510,648, 25,543,294.56 and 10,250,669.76

Step by Step Solution

1. Step 1: Write the proportion equation
   18,510,648 : 25,543,294.56 = 10,250,669.76 : x
2. Step 2: Convert to fraction form
   18,510,648/25,543,294.56 = 10,250,669.76/x
3. Step 3: Cross multiply
   18,510,648x = 25,543,294.56 × 10,250,669.76
4. Step 4: Simplify right side
   18,510,648x = 261,835,877,116,964.50
5. Step 5: Solve for x
   x = 261,835,877,116,964.50/18,510,648
6. Step 6: Final answer
   x = 14,145,149.17